<form id="addGoodsForm" method="post" enctype="multipart/form-data">
	<input type="hidden" name="id" value="${subject_id}">
	<table>
		<tr>
			<td>上传图片</td>
			<td>
				<input class="easyui-validatebox validatebox-text validatebox-invalid" 
					   type="file"	maxlength="50" isrequired="true" datatype="string" 
					   data-options="required:false" name="file" autocomplete="off" title="" >
			</td>
		</tr>
	</table>
</form>